When the program starts you will see the typical intro screen, if you choose "Yes" you will see the data from your PS3, if sounds three beeps indicates that it was not possible dump and show the error message, and if all went well sounds a beep and you are able to see the data

Automatically saves the IDPS in dev_hdd0/IDPS.bin, you must open it with a hex editor and look hexadecimal values, for example (IDPS false, I will not reveal my IDPS):